dataflow/src/main/java/io/blockchainetl/common/utils/StringUtils.java
<reponame>chainbase-labs/polygon-etlpackage io.blockchainetl.common.utils;

public class StringUtils {

    public static String capitalizeFirstLetter(String original) {
        if (original == null || original.length() == 0) {
            return original;
        }
        return original.substring(0, 1).toUpperCase() + original.substring(1);
    }
}
